| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.96 | 3.93 | 0.03 |
| Feb | 3.79 | 3.76 | 0.03 |
| Mar | 4.36 | 4.36 | 0.00 |
| Apr | 3.18 | 3.24 | -0.06 |
| May | 3.38 | 3.41 | -0.03 |
| Jun | 4.21 | 4.20 | 0.01 |
| Jul | 3.89 | 3.66 | 0.23 |
| Aug | 4.08 | 4.19 | -0.11 |
| Sep | 3.57 | 3.51 | 0.06 |
| Oct | 3.19 | 3.14 | 0.05 |
| Nov | 3.41 | 3.50 | -0.09 |
| Dec | 4.40 | 4.34 | 0.06 |
45.42 | 45.24 | 0.18 |